Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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@rjsf/core
The React engine that turns a JSON Schema into a fully working form
auto-animate
A zero-config, drop-in animation utility that adds smooth transitions to any web app with a single line of code.
sjson
A fast, dependency-light Go library for setting and deleting values in JSON documents by dot-path, without full unmarshaling.
conf
Simple, schema-validated config file persistence for Node.js apps and CLI tools
serde_with
Custom de/serialization helpers for Rust's serde, via the with and serde_as annotations
Virtua
A zero-config, ~3kB virtual list and grid component for React, Vue, Solid, and Svelte
feedparser
Parses RSS, Atom, RDF, CDF, and JSON feeds into one normalized Python dictionary.
Partial JSON
Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.
json_repair
Repair malformed JSON from LLMs, APIs, logs, and user input — a drop-in fallback for json.loads().
msgspec
A fast, zero-cost serialization and validation library for JSON, MessagePack, YAML, and TOML in Python.
msgraph-sdk-javascript
Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.
@vitejs/plugin-basic-ssl
A Vite plugin that generates a self-signed certificate so your dev and preview servers can run over HTTPS with zero setup.
json-2-csv
Converts arrays of JSON documents to RFC 4180 compliant CSV and back, with native support for nested sub-documents.
Angular CDK
Unstyled, accessible building blocks for authoring custom Angular components: overlays, drag-and-drop, focus/a11y utilities, virtual scrolling, and more.
superagent
A small, progressive HTTP request library for Node.js and browsers with a single fluent, chainable API on both platforms.
gridstack.js
A dependency-free TypeScript library for building draggable, resizable, responsive dashboard grid layouts in the browser.
config
Layered configuration system for Rust applications with strong 12-factor support
ureq
A simple, safe, blocking HTTP client for Rust with minimal dependencies.
flat
Flattens nested JavaScript objects into dot-delimited keys and unflattens them back, with a bundled CLI.
rss-parser
Lightweight RSS and Atom feed parser for Node.js and the browser that turns XML feeds into plain JavaScript objects
follow-redirects
A drop-in replacement for Node's http and https modules that transparently follows redirects with zero runtime dependencies.
certmagic
Automatic HTTPS for Go programs — the production-grade ACME client library that powers Caddy, obtaining and renewing TLS certificates with zero manual cert management.
json2csv
Convert JSON arrays into CSV strings and files with configurable fields, formatters, and streaming parsers for Node.js.
csv-parser
A zero-dependency streaming CSV parser for Node.js that converts CSV into JSON at high speed.